Adafruit Ethernet FeatherWing

iffycodes·Genesis·kicad-import/adafruit-ethernet/Adafruit Ethernet FeatherWing.kicad_pcb

Adafruit Ethernet FeatherWing PCB layout, top view — open source board by iffycodes

About the Adafruit Ethernet FeatherWing PCB

Adafruit Ethernet FeatherWing is an open source PCB design by iffycodes, published on GitHub. It is a 2-layer board measuring 55.9 × 22.9 mm, with 47 components from 25 distinct parts.

Other key parts include the 74AHC1G125 and W5500. By type, the board carries 15 capacitors, 15 resistors, 4 ICs, 3 jumpers, 2 crystals and 2 inductors.

It belongs with the power & battery designs in this gallery.

From the project

Genesis Board design

- Removed Stemma QT connectors. Left second LDO (AP2112-3.3). It looks to only be powering the neopixel on GPIO0. Need to figure out if I can just use the main one. - Removed voltage divider used for LiPo monitoring. Provided A13_I35 that went to I35 on the ESP. - Removed LiPo charging circuit. VBUS is now only supplied by USB-C connector. Removed DMG3415U transistor in upper left of Page 2. Removed JST battery connector. - Removed extra reset switches. - Add initial annotation. - Rename +3V3 net on RTC page to match 3.3V global net name. - Rename MISO nets on Ethernet page so global MISO net…

Main components on the Adafruit Ethernet FeatherWing

74AHC1G125 W5500

Adafruit Ethernet FeatherWing bill of materials (BOM)

47 components, 25 distinct parts.

Qty	Part	Footprint	Refs
1	74AHC1G125	SOT23-5L	IC1
1	W5500	LQFP48	U$1
1	—	PCBFEAT-REV-040	U$45
1	—	ADAFRUIT_3.5MM	U$49
1	RB1-125BAG1A	RJ45_PULSEJACK	X1
1	25MHz	CRYSTAL_3.2X2.5	Y1
1	—	1X03_ROUND_76	JP1
1	—	1X13_ROUND_70	JP2
1	—	1X09_ROUND_70	JP4
1	FEATHERWING_NODIM	FEATHERWING_NODIM	MS1
3	—	SOLDERJUMPER_REFLOW_NOPASTE	SJ1, SJ2, SJ3
1	—	SOLDERJUMPER_CLOSEDWIRE	SJ4
1	KMR2	BTN_KMR2_4.6X2.8	SW1
2	ferrite	0805-NO	FB1, FB2
2	22pF	0603-NO	C1, C2
2	6.8nF	0603-NO	C3, C4
2	10nF	0603-NO	C5, C6
6	0.1uF	0603-NO	C7, C8, C9, C10, C13, C15
3	10uF	0805-NO	C11, C12, C14
1	12.4K	0603-NO	R1

Show 5 more

Qty	Part	Footprint	Refs
1	1M	0603-NO	R2
6	10K	0603-NO	R3, R5, R6, R7, R8, R15
4	49.9	0603-NO	R4, R9, R10, R11
1	10	0603-NO	R12
2	470	0603-NO	R13, R14

Adafruit Ethernet FeatherWing design files

The KiCad project lives in the iffycodes/Genesis repository on GitHub; these links point at the commit this page was built from.

Adafruit Ethernet FeatherWing: common questions

How big is the Adafruit Ethernet FeatherWing PCB?

The Adafruit Ethernet FeatherWing measures 55.9 × 22.9 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Adafruit Ethernet FeatherWing?

47 components, from 25 distinct parts. The full bill of materials is listed on this page.

Where can I download the Adafruit Ethernet FeatherWing design files?

From the iffycodes/Genesis repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Adafruit Ethernet FeatherWing design in my own project?

The repository has no license, so all rights stay with iffycodes. Use it as a reference, and ask the author before reusing the design.

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